<h1><?php echo($item['nome']); ?></h1>
<?php 

$this->Html->LoadCss('table');
$this->Html->LoadCss('formulario');

$this->LoadResource('formulario', 'form');
$this->form->NewForm($dados, $_POST, array(), false);

$form = $this->form->getForm();
if(!empty ($participantes)){
?>
    <table>
        <thead>
            <tr>
                <td>Usuário</td>
                <td>Ações</td>
            </tr>
        </thead>
        <tbody>
            <?php 
            foreach($participantes as $user){ 
                extract($user); 
                $form->hidden('cod_usuarios', $cod_usuario);
                $form->submit('excluir', EXCLUIR);
                $var = $form->getFlush();
            ?>
            <form id="formulario" method="POST">
            <tr>
                <td><?php echo "$user_name ($user_cargo)"; ?></td>
                <td><?php echo $var; ?></td>
            </tr>
            </form>
            <?php }?>
        </tbody>
    </table>
<?php
}
?>